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drm/amd/display: Add UHBR135 and UHBR20 into debugfs

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Add support to manually force link rate to UHBR135 (0x546) and UHBR20
(0x7d0).

Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Fangzhi Zuo 2022-10-20 11:46:30 -04:00 committed by Alex Deucher
parent f543d28687
commit b66fca42c4
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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@ -299,6 +299,8 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
case LINK_RATE_HIGH2:
case LINK_RATE_HIGH3:
case LINK_RATE_UHBR10:
case LINK_RATE_UHBR13_5:
case LINK_RATE_UHBR20:
break;
default:
valid_input = false;